forked from OSchip/llvm-project
99 lines
3.3 KiB
LLVM
99 lines
3.3 KiB
LLVM
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; RUN: llc %s -o - | FileCheck %s
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; ModuleID = 'throws-cfi-fp.cpp'
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source_filename = "throws-cfi-fp.cpp"
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-unknown-linux-gnu"
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$__clang_call_terminate = comdat any
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@_ZL11ShouldThrow = internal unnamed_addr global i1 false, align 1
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@_ZTIi = external constant i8*
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@str = private unnamed_addr constant [20 x i8] c"Threw an exception!\00"
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; Function Attrs: uwtable
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define void @_Z6throwsv() #0 personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) {
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; CHECK-LABEL: _Z6throwsv:
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; CHECK: popq %rbp
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; CHECK-NEXT: .cfi_def_cfa %rsp, 8
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; CHECK-NEXT: retq
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; CHECK-NEXT: .LBB0_1:
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; CHECK-NEXT: .cfi_def_cfa %rbp, 16
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entry:
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%.b5 = load i1, i1* @_ZL11ShouldThrow, align 1
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br i1 %.b5, label %if.then, label %try.cont
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if.then: ; preds = %entry
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%exception = tail call i8* @__cxa_allocate_exception(i64 4)
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%0 = bitcast i8* %exception to i32*
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store i32 1, i32* %0, align 16
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invoke void @__cxa_throw(i8* %exception, i8* bitcast (i8** @_ZTIi to i8*), i8* null)
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to label %unreachable unwind label %lpad
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lpad: ; preds = %if.then
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%1 = landingpad { i8*, i32 }
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catch i8* null
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%2 = extractvalue { i8*, i32 } %1, 0
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%3 = tail call i8* @__cxa_begin_catch(i8* %2)
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%puts = tail call i32 @puts(i8* getelementptr inbounds ([20 x i8], [20 x i8]* @str, i64 0, i64 0))
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invoke void @__cxa_rethrow()
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to label %unreachable unwind label %lpad1
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lpad1: ; preds = %lpad
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%4 = landingpad { i8*, i32 }
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cleanup
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invoke void @__cxa_end_catch()
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to label %eh.resume unwind label %terminate.lpad
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try.cont: ; preds = %entry
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ret void
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eh.resume: ; preds = %lpad1
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resume { i8*, i32 } %4
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terminate.lpad: ; preds = %lpad1
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%5 = landingpad { i8*, i32 }
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catch i8* null
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%6 = extractvalue { i8*, i32 } %5, 0
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tail call void @__clang_call_terminate(i8* %6)
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unreachable
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unreachable: ; preds = %lpad, %if.then
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unreachable
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}
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declare i8* @__cxa_allocate_exception(i64)
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declare void @__cxa_throw(i8*, i8*, i8*)
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declare i32 @__gxx_personality_v0(...)
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declare i8* @__cxa_begin_catch(i8*)
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declare void @__cxa_rethrow()
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declare void @__cxa_end_catch()
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; Function Attrs: noinline noreturn nounwind
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declare void @__clang_call_terminate(i8*)
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declare void @_ZSt9terminatev()
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; Function Attrs: nounwind
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declare i32 @puts(i8* nocapture readonly)
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attributes #0 = { "no-frame-pointer-elim"="true" }
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!llvm.dbg.cu = !{!2}
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!llvm.module.flags = !{!8, !9, !10}
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!2 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !3, producer: "clang version 6.0.0 (https://github.com/llvm-mirror/clang.git 316ebefb7fff8ad324a08a694347500b6cd7c95f) (https://github.com/llvm-mirror/llvm.git dcae9be81fc17cdfbe989402354d3c8ecd0a2c79)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, globals: !5)
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!3 = !DIFile(filename: "throws-cfi-fp.cpp", directory: "epilogue-dwarf/test")
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!4 = !{}
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!5 = !{}
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!8 = !{i32 2, !"Dwarf Version", i32 4}
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!9 = !{i32 2, !"Debug Info Version", i32 3}
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!10 = !{i32 1, !"wchar_size", i32 4}
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